Geomorphology, Journal Year: 2024, Volume and Issue: unknown, P. 109581 - 109581
Published: Dec. 1, 2024
Language: Английский
Archives of Computational Methods in Engineering, Journal Year: 2024, Volume and Issue: unknown
Published: April 24, 2024
Abstract In recent decades, the constitutive modelling for frozen soils has attracted remarkable attention from scholars and engineers due to continuously growing constructions in cold regions. Frozen exhibit substantial differences mechanical behaviours compared unfrozen soils, presence of ice complexity phase changes. Accordingly, it is more difficult establish models reasonably capture than soils. This study attempts present a comprehensive review state art which focal topic geotechnical engineering. Various under static dynamic loads are summarised based on their underlying theories. The advantages limitations thoroughly discussed. On this basis, challenges potential future research possibilities soil outlined, including development open databases unified with aid advanced techniques. It hoped that could facilitate describing promote deeper understanding thermo-hydro-mechanical (THM) coupled process occurring
Language: Английский
Citations
14
Archives of Computational Methods in Engineering, Journal Year: 2024, Volume and Issue: unknown
Published: July 29, 2024
Abstract Numerous studies have investigated the coupled multi-field processes in frozen soils, focusing on variation soils and addressing influences of climate change, hydrological processes, ecosystems cold regions. The investigation multi-physics field has emerged as a prominent research area, leading to significant advancements coupling models simulation solvers. However, substantial differences remain among various due insufficient observations in-depth understanding processes. Therefore, this study comprehensively reviews latest process numerical methods, including thermo-hydraulic (TH) coupling, thermo-mechanical (TM) hydro-mechanical (HM) thermo–hydro-mechanical (THM) thermo–hydro-chemical (THC) thermo–hydro-mechanical–chemical (THMC) coupling. Furthermore, primary methods are summarised, continuum mechanics method, discrete or discontinuous simulators specifically designed for heat mass transfer modelling. Finally, outlines critical findings proposes future directions multi-physical modelling soils. This provides theoretical basis mechanism analyses practical engineering applications, contributing advancement management
Language: Английский
Citations
8
Construction and Building Materials, Journal Year: 2024, Volume and Issue: 420, P. 135622 - 135622
Published: March 1, 2024
Language: Английский
Citations
4
Engineering Geology, Journal Year: 2025, Volume and Issue: unknown, P. 107915 - 107915
Published: Jan. 1, 2025
Language: Английский
Citations
0
Case Studies in Construction Materials, Journal Year: 2025, Volume and Issue: unknown, P. e04279 - e04279
Published: Jan. 1, 2025
Language: Английский
Citations
0
Water, Journal Year: 2025, Volume and Issue: 17(3), P. 340 - 340
Published: Jan. 25, 2025
In this study, Qinghai silty clay was hydrophobically modified, and its engineering properties, including water-blocking performance, strength characteristics, durability, were investigated under varying hydrophobic agent contents compaction degrees. The findings reveal that: (a) prepared soil exhibits excellent water repellency, significantly exceeding the threshold for extreme hydrophobicity. When content reaches approximately 13%, droplet infiltration time peaks, moisture after immersion remains at a relatively low level. (b) barrier layer effectively blocks upward migration of groundwater driven by capillary action. column test, 15 days action, in upper nearly unchanged, retains dryness performance. (c) Under optimal content, unconfined compressive (UCS) increases 48% to 68% compared ordinary soil. Moreover, improvement becomes more significant with higher (d) Hydrophobic is most sensitive alkaline environments, while reduction rate acidic saline environments slightly than environments. (e) It recommended maintain between 13% 15.5% achieve balance hydrophobicity, economic feasibility.
Language: Английский
Citations
0
Applied Sciences, Journal Year: 2025, Volume and Issue: 15(6), P. 3403 - 3403
Published: March 20, 2025
Under the action of freeze–thaw cycles, internal temperature and water distribution slope soils in cold regions change significantly, which directly affects stability slopes. In order to study differences hydrothermal reactions at different depths their impacts on This establishes both a model coupling model, combining field measurements with numerical simulations examine dynamic changes characteristics within slope. The results indicate that variation depth can be divided into three stages: initial freezing, stable thawing. freezing stage, negative gradient drives migrate towards front, forming segregated ice inducing frost heave. thawing latent heat released by phase promotes move toe, increasing content there indirectly exacerbating risk instability. moisture transfer frozen soil slopes shows non-linear characteristics. unique process one-way two-way makes rate 1.35 times rate, this asymmetric characteristic is key understanding mechanism
Language: Английский
Citations
0
International Journal of Geomechanics, Journal Year: 2025, Volume and Issue: 25(7)
Published: April 22, 2025
Language: Английский
Citations
0
Measurement, Journal Year: 2024, Volume and Issue: 229, P. 114402 - 114402
Published: Feb. 28, 2024
Language: Английский
Citations
3
Cold Regions Science and Technology, Journal Year: 2025, Volume and Issue: unknown, P. 104511 - 104511
Published: April 1, 2025
Language: Английский
Citations
0